CompTIA A+ Exam 220-1101 - BIOS Check Your Knowledge

The main functionality of Basic Input/Output System (BIOS) is to perform initial hardware checks after the computer is powered on and to start up the Operating System (OS).

• True

• False

Which of the acronyms listed below refers to a series of basic hardware diagnostic tests performed by the startup BIOS after the computer is powered on?

• SRC

• S.M.A.R.T

• CRC

• POST

After replacing a modular hardware component inside the computer case, the updated information about specific parameters of the new device is stored in: (Select 2 answers)

• System BIOS

• Flash memory chip (newer PCs)

• Startup BIOS

• Secondary storage

• CMOS RAM (older PCs)

A computer's BIOS interface can be accessed by pressing: (Select best answer)

• Reset button on the front panel of a computer case

• Esc key during boot

• The key set by the motherboard manufacturer for accessing BIOS configuration interface during boot

• Delete key during boot

BIOS configuration settings can be set to factory defaults by: (Select all that apply)

• Using a jumper on the motherboard

• Changing settings in Windows Device Manager

• Reseating the CMOS battery on the motherboard in older PCs

• Choosing the default configuration option in the BIOS interface

Which of the following statements is true?

• Aborted BIOS update can be resumed by the transaction recovery system

• A common security measure is to store BIOS on a non-rewritable memory chip

• In MS Windows, BIOS hardware configuration settings can be modified in Device Manager

• Aborted BIOS update can damage the motherboard and render the computer unusabl

Which of the answers listed below refer(s) to the feature(s) of UEFI? (Select all that apply)

• Mouse support

• Designed as a replacement for BIOS

• Network access

• GUI mode

• Secure boot

After completing the initial diagnostic procedures and allocating system resources, the startup BIOS program checks for information about secondary storage devices that might contain the OS. The list of devices and the order in which they should be checked can be found and arranged in BIOS. This functionality can be accessed via:

• ACPI settings

• System Configuration utility

• Boot options

• Security tab

Which BIOS configuration option allows to mitigate the risk of malware infection?

• User password

• Chassis intrusion detection

• Supervisor password

• USB configuration settings

A UEFI functionality designed to prevent the loading of malware and unauthorized OSs is called:

• LoJack

• Bitlocker

• Secure boot

• Kerberos